1. May I take your dictionary?
2. At the English lesson you must speak only English.
3. Must we hand in our exercise books today?
4. May I ask you a question? — Yes, you are welcome (Yes, you may).
5. I cannot go to the cinema with you because I am very busy.
6. May I stay here? — Yes, you are welcome (Yes, you may).
7. He must be in his office now. You can speak to him.
8. May I come in? — You are welcome. (Yes, you may).
9. You must read this text.
10. Can he do this task?
11. I must speak to my friend today.
12. We must pay this electricity bill by the end of the month.
13. This woman is an excellent driver. She can even drive a bus.
14. May I have a tuna sandwich and a cup of coffee?